첫 앱 만들기(react-native)

import { StyleSheet, Text, View,Button } from 'react-native';

export default function App() {
  return (
    <View style={styles.container}>
      <View>
      <Text>안녕하세요</Text>
      </View>
      <Text style={styles.dummyText}>hello!</Text>
      <Button title='tab me'></Button>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
  dummyText:{
    margin:16,
    padding:16,
    borderWidth:2,
    borderColor:'red',
  }
});